A tap knock
B knock tap tap tap
C knock tap knock tap
D knock tap tap
E tap
F tap tap knock tap
G knock knock tap
H tap tap tap tap
I tap tap
J tap knock knock knock
K knock tap knock
L tap knock tap tap
M knock knock
N knock tap
O knock knock knock
P tap knock knock tap
Q knock knock tap knock
R tap knock tap
S tap tap tap
T knock
U tap tap knock
V tap tap tap knock
W tap knock knock
X knock tap tap knock
Y knock tap knock knock
Z knock knock tap tap
0 knock knock knock knock knock
1 tap knock knock knock knock
2 tap tap knock knock knock
3 tap tap tap knock knock
4 tap tap tap tap knock
5 tap tap tap tap tap
6 knock tap tap tap tap
7 knock knock tap tap tap
8 knock knock knock tap tap
9 knock knock knock knock tap
Fullstop tap knock tap knock tap knock
Comma knock knock tap tap knock knock
Query tap tap knock knock tap tap
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